Class RSAKeyPairGenerator
java.lang.Object
org.bouncycastle.crypto.generators.RSAKeyPairGenerator
- All Implemented Interfaces:
AsymmetricCipherKeyPairGenerator
an RSA key pair generator.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionprotected BigInteger
chooseRandomPrime
(int bitlength, BigInteger e, BigInteger sqrdBound) Choose a random prime value for use with RSAreturn an AsymmetricCipherKeyPair containing the generated keys.void
init
(KeyGenerationParameters param) intialise the key pair generator.protected boolean
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Constructor Details
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RSAKeyPairGenerator
public RSAKeyPairGenerator()
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Method Details
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init
Description copied from interface:AsymmetricCipherKeyPairGenerator
intialise the key pair generator.- Specified by:
init
in interfaceAsymmetricCipherKeyPairGenerator
- Parameters:
param
- the parameters the key pair is to be initialised with.
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generateKeyPair
Description copied from interface:AsymmetricCipherKeyPairGenerator
return an AsymmetricCipherKeyPair containing the generated keys.- Specified by:
generateKeyPair
in interfaceAsymmetricCipherKeyPairGenerator
- Returns:
- an AsymmetricCipherKeyPair containing the generated keys.
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chooseRandomPrime
Choose a random prime value for use with RSA- Parameters:
bitlength
- the bit-length of the returned primee
- the RSA public exponent- Returns:
- A prime p, with (p-1) relatively prime to e
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isProbablePrime
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